Pressure sensitive adhesive latex compositions

Details Pressure sensitive adhesive latex compositions Pressure sensitive adhesive latex compositions

C - Chemistry, Metallurgy

09

J

C09J 133/08 (2006.01) C09J 7/02 (2006.01) C09J 121/02 (2006.01) C09J 157/00 (2006.01) C08L 33/08 (2006.01)

Patent

CA 2141805

2141805 9403550 PCTABScor01 An adhesive latex composition which is water-insoluble when dried comprising: A) a pressure sensitive adhesive latex which is alkali-dispersible when dried, such as a copolymer of n-butyl acrylate, methacrylic acid and hydroxyethyl acrylate; B) a pressure sensitive adhesive latex which is non-alkali-dispersible when dried, such as n-butyl acrylate based copolymer latex, and, optionally, one or more tackifiers. The tackifier, if used, may be a mixture of at least one tackifier having a softening point of less than 55 ·C and at least one tackifier having a softening point between 55 ·C and 150 ·C. Paper containing the water-insoluble adhesive latex composition can be readily recycled into good quality paper.

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